Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

With cold and flu season approaching, it’s worth knowing about another virus out there—albeit extremely rare: bird flu. Like ...

A person sickened by bird flu in Missouri was probably an isolated case, federal health officials said Thursday, though they ...

The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

A person in Missouri has been infected with bird flu despite having no immediate known exposure to possibly infected animals ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

Several labs will work with federal health authorities to develop a test for avian influenza, as the number of human cases ...

Health officials say they don’t know how a Missouri person caught bird flu, but they believe it may be a rare instance of a ...

A close contact of someone with bird flu became ill on the same day, the C.D.C. reported. But the second person was not ...

Avian flu in dairy cows could stick around on US farms forever, and is raising the risk of outbreaks in mammals—including ...